Despite an injury to his left hand, this large British boxer won the Olympic super-heavyweight final at the Sydney Games in 2000.Harrison, who's nickname is "the H-bomb", brought his opponent crashing to the ground within seconds of the start of the fight. However, the fight went the full length after the Kazak found his strength again.The giant boxer immediately announced his intention to turn professional and pit himself against the sport's greats: Tyson and Holyfield.